# Echidna vs Mythril

| Attribute | Echidna | Mythril |
|---|---|---|
| **Vioscale score** | 57.5 (22% (low)) | 45.3 (32% (low)) |
| activity.commits_last_30d | 8 | 0 |
| adoption.dependent_repos | - | 35 |
| adoption.github_stars | 1,878 | 4,265 |
| deployment.options | `{"on_prem":true,"self_hosted":true}` | `{"self_hosted":true}` |
| description.long | An open-source security tool that systematically tests Ethereum smart contracts by generating diverse inputs to uncover edge cases and potential bugs. It integrates into development workflows, provides code coverage analysis, and supports multiple contract frameworks and testing modes. | - |
| integrations.count | 12 | 2 |
| integrations.list | `[{"name":"GitHub"},{"name":"GitHub Actions"},{"name":"Foundry"},{"name":"Hardhat"},{"name":"Brownie"},{"name":"Etherscan"},{"name":"Sourcify"},{"name":"Slither"},{"name":"hevm"},{"name":"Z3"},{"name":"Bitwuzla"},{"name":"cvc5"}]` | `[{"name":"GitHub"},{"name":"Ethereum"}]` |
| language.primary | Python | Python |
| license.spdx | CC-BY-SA-4.0 | MIT |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"cli":true,"mac":true,"linux":true,"windows":true}` | `{"cli":true}` |
| pricing | `{"type":"open_source","summary":"Free and open source","freeTier":true,"sourceUrl":"https://github.com/pricing","retrievedAt":"2026-08-19T21:33:12.939Z"}` | `{"type":"open_source","plans":[{"free":true,"name":"Open Source","summary":"Free, open-source","features":["Symbolic execution-based bytecode analysis","Vulnerability detection for smart contracts","HTML report output","Support for Solidity file analysis","On-chain contract analysis by address","Pre-commit hook integration","Configurable transaction exploration depth"],"description":"Community-supported open-source security analysis tool","contactSales":false}],"summary":"Free and open-source","freeTier":true,"sourceUrl":"https://github.com/pricing","retrievedAt":"2026-08-19T21:32:44.774Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | commercial |
| pricing.price_level | free | free |
| pricing.transparent | yes | yes |
| release.cadence_days | - | 20 |
| release.history | - | `[{"url":"https://github.com/ConsenSysDiligence/mythril/releases/tag/v0.24.8","date":"2024-03-27T22:02:44Z","type":"stable","version":"v0.24.8"},{"url":"https://github.com/ConsenSysDiligence/mythril/releases/tag/v0.24.7","date":"2024-03-06T14:28:52Z","type":"stable","version":"v0.24.7"},{"url":"https://github.com/ConsenSysDiligence/mythril/releases/tag/v0.24.6","date":"2024-03-06T03:47:56Z","type":"stable","version":"v0.24.6"},{"url":"https://github.com/ConsenSysDiligence/mythril/releases/tag/v0.24.5","date":"2024-01-16T18:54:39Z","type":"stable","version":"v0.24.5"},{"url":"https://github.com/ConsenSysDiligence/mythril/releases/tag/v0.24.4","date":"2023-12-18T01:18:28Z","type":"stable","version":"v0.24.4"},{"url":"https://github.com/ConsenSysDiligence/mythril/releases/tag/v0.24.3","date":"2023-11-19T23:00:55Z","type":"stable","version":"v0.24.3"},{"url":"https://github.com/ConsenSysDiligence/mythril/releases/tag/v0.24.2","date":"2023-11-07T14:29:01Z","type":"stable","version":"v0.24.2"},{"url":"https://github.com/ConsenSysDiligence/mythril/releases/tag/v0.24.1","date":"2023-10-23T02:48:35Z","type":"stable","version":"v0.24.1"},{"url":"https://github.com/ConsenSysDiligence/mythril/releases/tag/v0.24.0","date":"2023-10-09T06:13:16Z","type":"stable","version":"v0.24.0"},{"url":"https://github.com/ConsenSysDiligence/mythril/releases/tag/v0.23.25","date":"2023-08-17T05:33:02Z","type":"stable","version":"v0.23.25"},{"url":"https://github.com/ConsenSysDiligence/mythril/releases/tag/v0.23.24","date":"2023-06-25T17:19:03Z","type":"stable","version":"v0.23.24"},{"url":"https://github.com/ConsenSysDiligence/mythril/releases/tag/v0.23.23","date":"2023-06-07T14:01:08Z","type":"stable","version":"v0.23.23"},{"url":"https://github.com/ConsenSysDiligence/mythril/releases/tag/v0.23.22","date":"2023-04-23T23:45:09Z","type":"stable","version":"v0.23.22"},{"url":"https://github.com/ConsenSysDiligence/mythril/releases/tag/v0.23.21","date":"2023-04-21T20:01:05Z","type":"stable","version":"v0.23.21"},{"url":"https://github.com/ConsenSysDiligence/mythril/releases/tag/v0.23.20","date":"2023-04-20T01:27:52Z","type":"stable","version":"v0.23.20"},{"url":"https://github.com/ConsenSysDiligence/mythril/releases/tag/v0.23.19","date":"2023-04-10T17:39:45Z","type":"stable","version":"v0.23.19"},{"url":"https://github.com/ConsenSysDiligence/mythril/releases/tag/v0.23.18","date":"2023-04-05T22:13:44Z","type":"stable","version":"v0.23.18"},{"url":"https://github.com/ConsenSysDiligence/mythril/releases/tag/v0.23.17","date":"2023-03-06T17:54:34Z","type":"stable","version":"v0.23.17"},{"url":"https://github.com/ConsenSysDiligence/mythril/releases/tag/v0.23.16","date":"2023-02-08T14:35:29Z","type":"stable","version":"v0.23.16"},{"url":"https://github.com/ConsenSysDiligence/mythril/releases/tag/v0.23.15","date":"2023-01-19T13:35:47Z","type":"stable","version":"v0.23.15"}]` |
| security.scorecard | 7.5 | 4.1 |
| security.vulnerabilities | - | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=mythril&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Smart Contract Tools)

| Capability | Echidna | Mythril |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Stack | - | - |
| Chain support | - | - |
| Local testnet | - | - |
| Mainnet forking | - | - |
| Fuzz testing | - | - |
| Invariant testing | - | - |
| Static analysis | - | - |
| Symbolic execution | - | - |
| Formal verification | - | - |
| Gas profiling | - | - |
| Tx simulation debugging | - | - |
| Upgrade proxy tooling | - | - |
| Multisig transaction ops | - | - |
| Ide editor plugin | - | - |
| Deployment | - | - |

*Source: Vioscale. Generated 2026-09-01T16:58:44.110Z. "-" = undocumented, not absent.*